Performance Improving Method of X-Ray Communication System Based on QAM

Table 1. Noise photon number of Z-MCP under different photon energies
View table
Table 1. Noise photon number of Z-MCP under different photon energies
Voltage /kV Average photonenergy /keV Theoreticalvalue /s^-1 Experimentalvalue /s^-1
10 5 3.8 4.5
15 7 2.6 3.2
20 10 1.8 2.3

Table 2. Signal photon number of different orders of bit error rate for 4-QAM system
View table
Table 2. Signal photon number of different orders of bit error rate for 4-QAM system
Threshold Magnitude
10^-3 10^-4 10^-5 10^-6
1 6 8 11 13
2 7 9 12 14
3 8 10 13 15
4 10 12 14 17
5 11 13 16 18
6 13 14 17 20

Table 3. Signal photon number of different orders of bit error rate for 16-QAM system
View table
Table 3. Signal photon number of different orders of bit error rate for 16-QAM system
Threshold Magnitude
10^-3 10^-4 10^-5 10^-6
1 5 8 10 12
2 6 9 11 13
3 7 10 12 14
4 9 11 13 16
5 10 13 15 17
6 11 14 16 18

Table 4. Signal photon number of different modulation methods at 10-6 order of bit error rate
View table
Table 4. Signal photon number of different modulation methods at 10-6 order of bit error rate
Modulationmethod Threshold
1 2 3 4 5
OOK 17 20 22 24 26
16-PPM 12 15 17 18 19
16-QAM 12 14 15 16 18

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Run Wang, Fengfeng Xue, Yang Xue, Junlong Lin, Na Li. Performance Improving Method of X-Ray Communication System Based on QAM[J]. Laser & Optoelectronics Progress, 2019, 56(6): 063401

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Paper Information

Category: X-Ray Optics

Received: Jun. 22, 2018

Accepted: Oct. 10, 2018

Published Online: Jul. 30, 2019

The Author Email: Run Wang (13289398095@163.com)

DOI:10.3788/LOP56.063401

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Noise photon number of Z-MCP under different photon energies

Table 1. Noise photon number of Z-MCP under different photon energies

Table 2. Signal photon number of different orders of bit error rate for 4-QAM system

Table 2. Signal photon number of different orders of bit error rate for 4-QAM system

Table 3. Signal photon number of different orders of bit error rate for 16-QAM system

Table 3. Signal photon number of different orders of bit error rate for 16-QAM system

Table 4. Signal photon number of different modulation methods at 10-6 order of bit error rate

Table 4. Signal photon number of different modulation methods at 10-6 order of bit error rate